William n



(No Model.)

W. N. PAWOETT & G. P. HUNTLEY.

ELECTRIC WIRE. INSULATOR AND SUPPORTER.

Patented Oct. 2'7, 1885.

N. PETERS. Pww-Lmnw. wnhin m. D. c.

UNITED STATES.

PATENT OFFICE.

WVILLIAM N. FAWOETT AND GEORGE F. HUNTLEY, OF BROOKLYN, N. Y.

ELECTRIC-WIRE INSULATOR AND SUPPORTER.

SJPECIPICATION forming part of Letters Patent No. 328,929, dated October 2'7, 1885.

Application filed November 17, 1884. Serial No. 148,137.

To all whom it may concern:

Be it known that we, WILLIAM N. Fawcn'rr and GEORGE F. HUNTLEY, citizens of the United States, and both residing at Brooklyn, in the county of Kings and State of New York, have invented certain new and useful I111- provements in Electric-Wire Insulators and Supporters, of which the following is a specification, reference being had to the accompanying drawings, forming part thereof.

Our invention relates to improvements in devices for supporting and insulating electric wires; and the purpose of our improvement is to provide an effective and simple retaining and insulating device adapted for application in confined positions where the usual forms of insulators are impracticable.

Our improvement is particularly designed for use with district-telegraph wires which are connected with dwellings, and where the wire-insulator is either attached directly to the wall or to some projecting portion of the building. In these cases it is desirable that the insulator should be placed so as not to disfigure the building.

Heretofore the insulators generally in use have consisted either of hooks screwed into blocks, or of knobs of porcelain or other material provided with a threaded shank or stem which screws into a block of wood, both of which constructions, with all other devices having hook -fastenings, are objectionable, first, because the constant strain of the wire will loosen the screws, and, further, a film of moisture is apt to accumulate around the shank or stem, second, hooks form a difficult and unreliable support, the wire being liable to out under strain; and, finally, the construction of these insulators is such that they must of necessity project considerably from the wall of the building. To overcome these objections, and to provide an insulator which can be attached to parts of the wall least exposed to view, is the purpose of our invention.

In the accompanying drawings, Figure 1 is a face view of an insulator embodying our improvements, and Fig. 2 is a side elevation of the same, the manner of securing the wire being illustrated in both views.

Let a represent a portion of the wall of a (No model.)

building, and b, in general, the insulator attached thereto.

0 is the wire. The wiresupporter consists of a narrow block of wood, of less than half an inch in thickness, provided on its face with a number of annular bosses or projections, (1, formed integral with the body or base of the block. In the drawings four projections are shown, this number being required for two wires. On the rear side of the block, at each end thereof, cross-pieces e are arranged to project sufliciently to allow a small space between the body of the block and the wall, so as to prevent any accumulation of moisture and keep the wood in a dry condition.

After the block is turned it is treated by boiling it in oil, or equivalent insulating substance, until the wood is thoroughly permeated, when it is dried and painted.

The projections d are made slightly beveled inward to prevent the wire from slipping off. A single wire is confined by passing it around two of the projections. One turn is made around each, and the ends 9 of the wire are drawn out on the same plane with each other, but in opposite directions, the two ends lying under the portion which crosses the space between the supports d. When wound in this manner, a self-locking fastener is formed which will resist the ordinary strain upon the wire without displacement. Any tendency of the wire to sag is obviated.

The insulating-block may be attached to the wall by ordinary-sized nails. The block, when made in this manner, is of such small dimensions that it can be secured behind the blinds of the dwelling, and thus be kept from view, and even if exposed will not mar the appearance of the wall, as is the case with hook-supports.

What we claim as new, and desire to secure by Letters Patent, is

1. An electric-wire supporter composed of a block formed of wood. having a series of projections on one side thereof, the said projections being made integral with its base, as set forth.

2. An electric-wire supporter and insulator consisting of a wooden block provided with annular projections formed integral with its base and impregnated with oil or equivalent 4:. The block I), having projeotionsd formed insulating substance, as set-forth. integral therewith 0n the front, and project- I( 3; The combination of the block I), having ing strips 6 on the under side, as set forth. project-ions cl, arranged as shown, and Wire 0, \VILLIAM N. FAWVGETT. 5 Wound in the manner described by Winding GEORGE F. HUNTLEY.

it around two of the projections and confining XVitnesses: the free ends by the cross-strands, for the Josnrn O. ALLEN,

purpose set forth. K. NEWELL. 

